[ovirt-users] To oVirt or not to oVirt

Tue Oct 7 14:48:51 UTC 2014

On 07.10.2014 16:19, Phil Daws wrote:
> Appreciated Daniel.  If add more hosts down the line may the engine configuration be migrated back to a VM for resilience ?
There is, please read [1]. I've never done that but it is basically
deploying hosted engine and restore the engine from a backup.

[1] http://www.ovirt.org/Migrate_to_Hosted_Engine
>  Thanks, P.
>
> ----- Original Message -----
> From: "Daniel Helgenberger" <daniel.helgenberger at m-box.de>
> To: "Phil Daws" <uxbod at splatnix.net>, "users" <users at ovirt.org>
> Sent: Tuesday, 7 October, 2014 3:00:07 PM
> Subject: Re: [ovirt-users] To oVirt or not to oVirt
>
> Hi Phil,
> On 07.10.2014 15:42, Phil Daws wrote:
>> am reading through the release notes for 3.5 as I believe one can install the engine on a VM now.
> Indeed, this is called Hosted Engine. In 3.5, witch is expected to be
> released in a few days/week you can also use a prebuild virtual
> appliance for this purpose. Also, the ovirt Node, witch is a prebuld
> minimal OS, will have the feature to support Hosted Engine.
> If you are running only one host, I would advice deploying more hosts or
> take the traditional approach and put the engine in bare metal box for
> production.
>
> Maybe you stumbled over the admin guide [1] already? The doc is quite
> new and reflects oVirt 3.4
>
> Keep in mind, EL7 is sopported as HOST in 3.5 only atm, your Engine
> still needs to run Fedora 19 / EL6.5
>>   As I only have one server at present my thoughts are to install CentOS7, then oVirt 3.5 node (vdsm), and then create a VM which would be the oVirt Engine.
> There is a script, called hosted-engine --depoly for that. All you need
> to do is to enable the repos in yum and install ovirt-hosted-engine,
> desirably from a minimal install. Please read [2].
>>   Then as I add on another server I can just build that as a node and the Engine can be moved between.  Is that correct ? Thanks, P.
> Also, for testing you can use ovirt all in one [3]. This is a HV host
> plus engine (but not as a VM IIRC). I would not recommend this for
> production.
>
> [1] http://www.ovirt.org/OVirt_Administration_Guide
> [2] http://www.ovirt.org/Features/Self_Hosted_Engine
> [3] http://www.ovirt.org/Feature/AllInOne
>> ----- Original Message ----- 
>> From: "Dan Yasny" <dyasny at gmail.com> 
>> To: "Phil Daws" <uxbod at splatnix.net> 
>> Cc: "users" <users at ovirt.org> 
>> Sent: Tuesday, 7 October, 2014 2:29:39 PM 
>> Subject: Re: [ovirt-users] To oVirt or not to oVirt 
>>
>> Why do you need OVS? oVirt supports VLANs out of the box without the extra hurdle 
>>
>> On Tue, Oct 7, 2014 at 9:21 AM, Phil Daws < uxbod at splatnix.net > wrote: 
>>
>>
>> Would this be the way to integrate OVS http://www.ovirt.org/OVirt_Neutron_GRE_Integration_-_How_To ? or in 3.5 are you able to import OVS networks now ? Thank you. 
>>
>> ----- Original Message ----- 
>> From: "Phil Daws" < uxbod at splatnix.net > 
>> To: users at ovirt.org 
>> Sent: Tuesday, 7 October, 2014 12:51:37 PM 
>> Subject: Re: [ovirt-users] To oVirt or not to oVirt 
>>
>> Further to this if I wished to use oVirt do I need to completely wipe the CentOS7 server or could I install the upcoming oVirt 3.5 directly over the top ? Thank you. 
>>
>> ----- Original Message ----- 
>> From: "Phil Daws" < uxbod at splatnix.net > 
>> To: users at ovirt.org 
>> Sent: Tuesday, 7 October, 2014 10:32:32 AM 
>> Subject: [ovirt-users] To oVirt or not to oVirt 
>>
>> Good day all! 
>>
>> have been a KVM user/admin for the last few years and have configured all aspects using either VirtManager or CLI where required. 
>>
>> am about to reinstall my development system and started to look at using CentOS7 as the host, and to get a more recent version of KVM. After a little search around I came across oVirt and am considering whether to install this now and use it as the main configuration tool. 
>>
>> do have a couple of questions which hopefully somebody will be able to help with? at present I am using OpenVSwitch with KVM so that I could use the vlan capabilities and wish to ask whether will need to move away from that to a different solution ? On my host I already have about 10 VMs that I wish to keep and whether I could migrate them into oVirt ? I have been using LVM volumes as raw storage for the VM images so presume would need to convert them to a different format for use ? 
>>
>> one of my VMs actually acts as a storage provider, using Quantastor, which then presents storage to other VMs using iSCSI which hope I can still use in oVirt ? 
>>
>> Apologies if these questions are a little vague but am trying to get my head around how it would all work. 
>>
>> Thank you, Phil 
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